mastodon/db/migrate/20171130000000_add_embed_url_to_preview_cards.rb
Claire a4dcaef53b
Prepare Mastodon for zeitwerk autoloader (#15917)
* Prepare Mastodon for zeitwerk autoloader (Rails 6)

Add inflections and rename/move a few classes.

In particular, app/lib/exceptions.rb and app/lib/sanitize_config.rb
were manually loaded while still in autoload paths.

* Add inflection for Url → URL
2021-03-19 02:42:43 +01:00

19 lines
477 B
Ruby

require Rails.root.join('lib', 'mastodon', 'migration_helpers')
class AddEmbedURLToPreviewCards < ActiveRecord::Migration[5.1]
include Mastodon::MigrationHelpers
disable_ddl_transaction!
def up
safety_assured do
add_column_with_default :preview_cards, :embed_url, :string, default: '', allow_null: false
end
end
def down
execute "UPDATE preview_cards SET url=embed_url WHERE embed_url!=''"
remove_column :preview_cards, :embed_url
end
end